Dear all, I want to copy a TClonesArray from array1 to array2: class MyClass:public TObject { public: Double_t d; }; TClonesArray a1("MyClass", 20); TClonesArray a2("MyClass", 10); // call "new (a1[i]) MyClass;" for all entries in a1 and a2 Is it enough to do: a2.ExpandCreate(a1.GetEntriesFast()); memcpy(&a2, &a1, sizeof(a1)); or must I do something like: const Int_t n = a1.GetEntriesFast(); a2.InitSize(n); for (int i=0; i<n; i++) a2.d = a1.d; BTW: MyClass contains plain values (basic data types) _only_. Thanks in advance, Thomas.
This archive was generated by hypermail 2b29 : Thu Jan 01 2004 - 17:50:15 MET